<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>心形</title>
	<style>
		*{
			margin: 0;
			padding: 0;
		}
		.wrap{
			width: 410px;
			height: 400px;
			margin:0 auto;
			position: relative;
			margin-top: 200px;

		}
		.wrap div{
			background-color: red;
			position: absolute;
		}
		.div1{
			width: 200px;
			height: 200px;
			border-radius: 50% 50% 0 0;
			-webkit-transform:rotate(-45deg);
		}
		.div2{
			width: 200px;
			height: 200px;
			border-radius: 50% 50% 0 0;
			top: 0;
			left: 210px;
			-webkit-transform:rotate(45deg);
		}
		.div3{
			width: 200px;
			height: 200px;
			top: 105px;
			left: 105px;
			-webkit-transform:rotate(45deg);
		}
	</style>
</head>
<body>
	<div class="wrap">
		<div class="div1"></div>
		<div class="div2"></div>
		<div class="div3"></div>
	</div>
</body>
</html>